CN2646146Y

CN2646146Y - Sand removing methane generating pit

Info

Publication number: CN2646146Y
Application number: CNU032544731U
Authority: CN
Inventors: 何建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-11
Filing date: 2003-06-11
Publication date: 2004-10-06
Anticipated expiration: 2013-06-11

Abstract

The utility model provides a sand removing methane generating pit, which consists of a fermentation chamber 8, partition walls 13, a feed pipe 4, a water pressure chamber 3, a drain pipe 5, a sand sinking pit 9, a residue pumping pipe 6 and a residue pumping piston, wherein, the sand sinking pit 9 is positioned below the fermentation chamber 8 and has the top communicated with the bottom of the fermentation chamber 8; impurities such as sediment entering into the fermentation chamber 8 along with raw material are pumped out through the residue pumping pipe 6 by use of the suction force generated by drawing the residue pumping piston arranged inside the residue pumping pipe 6 after settling down to the sand sinking pit 9 under the action of gravity, thereby avoiding siltation inside the fermentation chamber 8; the partition walls 13 are arranged inside the fermentation chamber 8 to separate the fermentation chamber 8 into three small chambers; in addition, the feed pipe 4 and the drain pipe 5 are communicated with different fermentation small chambers to prevent raw material from being directly discharged into the water pressure chamber through the drain pipe after entering into the fermentation chamber, thereby making raw material obtain fully fermentation to increase conversion of raw material.

Description

Methane-generating pit removes sand

Technical field:

The utility model relates to a kind of methane-generating pit, especially a kind of methane-generating pit that removes sand.

Background technology:

At present all kinds of methane-generating pits that use are not provided with removal and enter the device that removes sand of the impurity such as silt of sweathouse with raw material, and impurity such as silt can't be discharged, and deposit gradually in the sweathouse bottom, have reduced the usage space of sweathouse.The feed-pipe of methane-generating pit and water shoot are all straight-through with sweathouse, between do not intercept, make enter sweathouse through feed-pipe raw material also fully fermentation just directly drained into water pressure house from water shoot, cause feed stock conversion low.

Summary of the invention:

The utility model provides a kind of methane-generating pit that removes sand, and it has can get rid of the impurity such as silt of alluvial in the sweathouse bottom; Raw material residence time in sweathouse is long, and fermentation is abundant, characteristics such as transformation efficiency height.

The utility model is by sweathouse, divider wall, feed-pipe, water pressure house, water shoot, desilting hole, dreg-drawing pipe and take out the slag piston and form.The desilting hole is positioned at below the sweathouse, and its top and sweathouse bottom are communicated with, and dreg-drawing pipe is communicated with desilting hole and water pressure house, takes out the slag piston and is arranged in the dreg-drawing pipe, can move along pipe; Divider wall is installed in the sweathouse, sweathouse is divided into little of little second fermentation of first fermentation and the 3rd ferments little; Little of little of little of first fermentation and second fermentation and second fermentation and the 3rd fermentation have between little communication port to be communicated with, and feed-pipe is communicated with little of opening for feed and first fermentation, and water shoot is communicated with the 3rd fermentation little and water pressure house.

After the impurity such as silt that enter sweathouse with raw material are deposited in the desilting hole under action of gravity,, impurity such as silt are extracted out by dreg-drawing pipe, avoided the alluvial in sweathouse by the suction of taking out the generation of slag piston in the pulling dreg-drawing pipe; Divider wall is installed, sweathouse is divided into three little, feed-pipe is communicated with little of different fermentation with water shoot, avoids raw material to enter the phenomenon that directly drains into water pressure house behind the sweathouse from water shoot, makes raw material be able to abundant fermentation, improves feed stock conversion.

Description of drawings:

Fig. 1 is a user mode reference drawing of the present utility model.

Fig. 2 is the sweathouse left view.

Fig. 3 is a sweathouse complete section front view.

Fig. 4 is a sweathouse A-A cross section view.

Fig. 5 is a sweathouse complete section right view.

Embodiment:

Below in conjunction with accompanying drawing, the utility model is elaborated.The utility model can be built by different sizes according to the needs of reality use, and is existing with 10m ³The pond type is that example describes.At the Jian Chi place earth excavation of choosing, sweathouse 8 dark 232cm, diameter 280cm, the bottom tilts to central authorities.Desilting is cheated the central authorities of the opening at 9 tops in sweathouse 8 bottoms, dark 40cm, diameter 40cm.Water pressure house 3 length and width 110cm, dark 135cm.The earthwork finish after, the bottom of sweathouse 8 and water pressure house 3 and all around laying depth be the cement of 8cm.The brick one-tenth of divider wall 13 in the sweathouse 8, high 170cm is the Y type, and sweathouse 8 is divided into little 16 of the first descending fermentation, little 17 of second fermentation, little 18 of the 3rd fermentation.Have feed(raw material)inlet 10 on the sidewall that first fermentation is little, connect feed-pipe 4.Have water port 11 on little sidewall of the 3rd fermentation, connect water shoot 5.On divider wall 13, have communication port 15, wide 20cm, high 40cm is communicated with little 18 of little 17 of little 17 of little 16 of first fermentation and second fermentation and second fermentation and the 3rd fermentation.Sweathouse 8 top covers, water pressure house 3 top covers, feed-pipe 4, water shoot 5 and dreg-drawing pipe 6 usefulness punching block casting cements are made, and thickness is 8cm.For raw material is not stopped up in feed-pipe 4, feed-pipe 4 adopts the big tapered tube of young outlet, inlet internal diameter 8cm, and outlet internal diameter 15cm, long 180cm, outlet is connected with feed(raw material)inlet 10.Water shoot 5 is radian slightly, long 150cm, and internal diameter 5cm is communicated with little 18 of water pressure house 3 and the 3rd fermentation.Dreg-drawing pipe 6 long 300cm, internal diameter 20cm is communicated with desilting hole 9 and water pressure house 3.Take out the slag piston with there being certain thickness rubber shears for rubber system to form in the dreg-drawing pipe 6.For making things convenient for the push-and-pull piston, piston is fixed on stock 1 top, stock 1 can stretch out from the opening 2 at water pressure house 3 tops.Have two high-pressure aerated tube inlets 7 on the top cover of sweathouse 8, in sweathouse 8, feed two high-pressure aerated pipes 12 respectively.Broken shell grid 14 is diameter plastics garden frames identical with sweathouse 8 diameters, interlocks in the frame of garden and has drawn several nylon ropes, is installed in to be lower than 25cm place, divider wall 13 top.The seam crossing of sweathouse 8 top covers, water pressure house 3 top covers and each bar pipe is shut with cement plastering.After the moulding that thes cement solidifies, in sweathouse 8, charge into about 2/3 volumetrical water, carry out the water test in 24 hours, after the water test is qualified, begin the charging fermentation.

Raw material enters sweathouse 8 from opening for feed through feed-pipe 4, is suspended in the water, mix with water to form fermented liquid, and by communication port 15, fermentation in little of three fermentations successively, impurity such as residue after the fermentation and silt are deposited in the desilting hole 9.Open the opening 2 at water pressure house 3 tops, the stock 1 of band being taken out the slag piston stretches in the dreg-drawing pipe 6, moves stock 1 back and forth to, drives to take out the slag piston, impurity such as silt and residue are extracted in the water pressure house 3 from sweathouse 8, re-use the long handle bailer impurity such as silt and residue are pulled out from water pressure house 3.Use high-pressure pump in sweathouse 8, to charge into air, can help the fermentation of raw material and the burning of biogas by 1/3 of use biogas amount by high-pressure aerated pipe 12.Nylon rope on the broken shell grid is divided into several piece with the floating matter on fermented liquid surface, avoids forming large-area duricrust on the fermented liquid surface, in order to avoid hinder the carrying out of fermentation and the effusion of biogas.

Claims

1, a kind of methane-generating pit that removes sand is made up of sweathouse (8), feed-pipe (4), water pressure house (3), water shoot (5), it is characterized in that: also be provided with divider wall (13), desilting hole (9), dreg-drawing pipe (6) and take out the slag piston; Desilting hole (9) is positioned at below the sweathouse (8), and its top and sweathouse (8) bottom is communicated with, and dreg-drawing pipe (6) is communicated with desilting hole (9) and water pressure house (3), takes out the slag piston and is arranged in the dreg-drawing pipe (6), can move along pipe; Divider wall (13) is installed in the sweathouse (8), and sweathouse (8) is divided into first fermentation little (16), second fermentation little (17) and little (18) of the 3rd fermentation; There is communication port (15) to be communicated with between first fermentation little (16) and second fermentation little (17) and second fermentation little (17) and the 3rd fermentation little (18), feed-pipe (4) is communicated with opening for feed and little (16) of first fermentation, and water shoot (5) is communicated with the 3rd fermentation little (18) and water pressure house (3).

2, the methane-generating pit that removes sand according to claim 1 is characterized in that: feed-pipe (4) is into the big tapered tube of young outlet.

3, the methane-generating pit that removes sand according to claim 1 is characterized in that: sweathouse is equipped with the broken shell grid in (8).

4, the methane-generating pit that removes sand according to claim 1 is characterized in that: be connected with high-pressure aerated pipe (12) in sweathouse (8).